Improvising Blues Harmonica, by authors David Barrett and John Garcia, is a groundbreaking method explaining the mysterious world of improvising. This book and recording cover: chorus forms; what licks, riffs, melodies and phrases are made of; scale and chord theory; concepts for soloing (focus notes); phrase shaping; accompaniment playing; hooks, heads and bridges; elements that add unity to an instrumental; instrumental song analysis; learning solos note for note and retaining licks.